Home / 123,873.23-185,744.22-48,990.35

Finding the Fourth Proportional to 123,873.23, 185,744.22 and 48,990.35

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Solution

The fourth proportional to 123,873.23, 185,744.22 and 48,990.35 is: 73,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,873.23 : 185,744.22 = 48,990.35 : x
  2. Step 2: Convert to fraction form
    123,873.23/185,744.22 = 48,990.35/x
  3. Step 3: Cross multiply
    123,873.23x = 185,744.22 × 48,990.35
  4. Step 4: Simplify right side
    123,873.23x = 9,099,673,419.56
  5. Step 5: Solve for x
    x = 9,099,673,419.56/123,873.23
  6. Step 6: Final answer
    x = 73,459.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.